4091609431 has 32 divisors (see below), whose sum is σ = 5206949888. Its totient is φ = 3127662720.

The previous prime is 4091609413. The next prime is 4091609441. The reversal of 4091609431 is 1349061904.

4091609431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4091609431 - 2⁷ = 4091609303 is a prime.

It is a super-2 number, since 2×4091609431² = 33482535471696287522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4091609441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3082690 + ... + 3084016.

It is an arithmetic number, because the mean of its divisors is an integer number (162717184).

Almost surely, 2^4091609431 is an apocalyptic number.

4091609431 is a deficient number, since it is larger than the sum of its proper divisors (1115340457).

4091609431 is a wasteful number, since it uses less digits than its factorization.

4091609431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2471.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 4091609431 is about 63965.6894827219. The cubic root of 4091609431 is about 1599.4281069389.

The spelling of 4091609431 in words is "four billion, ninety-one million, six hundred nine thousand, four hundred thirty-one".